Fig. 2 in New archaeorthopteran insects from the Carboniferous of Poland: Insights into tangled taxonomy

Fig. 2. Forewing venation of archaeorthopteran insect Owadpteron dareki sp. nov., holotype (MP ISEA I−F/MP/1488/26a,b/08), Carboniferous, Pensylvannian, Langsettian (Westphalian A), Sosnowiec-Klimontów, Upper Silesian Coal Basin, Poland. Photograph of imprint (A1) and counterimprint (A2), and explanatory drawing (A3). Abbreviations: (+), convex vein; (-), concave vein; A1, first anal vein; CuA, cubital anterior; CuPa/b, anterior/ posterior branch of cubital posterior; CuPaα/β, cubital anterior/posterior branch of CuPa; M, media; MP, media posterior; RA/P, radius anterior/posterior; ScP, subcosta posterior.